移除tomcat，采用jetty Server

jodconverter-web/pom.xml

@@ -14,12 +14,12 @@
     <artifactId>kkFileView</artifactId>
     <version>2.2.1</version>
 
-
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>1.8</java.version>
     </properties>
+
     <repositories>
         <repository>
             <!-- required for org.hyperic:sigar -->
@@ -35,12 +35,18 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.springframework.boot</groupId>
+                    <artifactId>spring-boot-starter-tomcat</artifactId>
+                </exclusion>
+            </exclusions>
         </dependency>
         <dependency>
-            <groupId>net.logstash.logback</groupId>
-            <artifactId>logstash-logback-encoder</artifactId>
-            <version>4.11</version>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-jetty</artifactId>
         </dependency>
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>